What Happen ??

Can someone give me some advice PLEASE....
Have burned many DVD disk with no problems using Nero 6.3.1.6. and Dvd shrink 3.1.7.6.and Img burn tool 1.1.4 My system had to be reinstalled windows 98Se do to a glitch that I had. Now I can't get Nero to burn at all on a my home Dvd player which I had no problems before ! home system shows NO DISC.
I uninstalled Nero and reinstalled no luck....
Checked and uncheck Dvd rom book type no luck..
Now what do I do ?
Please help... I have learned alot through these forums can we do It again.....
P.s. after a burn they do work fine on pc....
Thanks Rc

Well as for aspi layer not to sure about these.
I went into my device manager and found that I have XMASSCSI SCSI CONTROLLERS showes it's not working properly tried to updater driver but no luck. shows that the driver has been updated but apond reboot still the same so I belive my problem is somewhere along these lines. What file do I need to update ?and where Can I get it ?